What’s Vulnerable › Vulnerabilities

CVE-2019-8308

• Severity: high (CVSS 8.2 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-02-12 · updated 2026-06-17
• Weakness: CWE-668

Description

Flatpak before 1.0.7, and 1.1.x and 1.2.x before 1.2.3, exposes /proc in the apply_extra script sandbox, which allows attackers to modify a host-side executable file.

Affected products

• Debian Linux: 9.0, 10.0
• flatpak: before 1.0.7; from 1.1.0 through 1.1.3; from 1.2.0 through 1.2.3 — fixed in 1.0.7
• RedHat Enterprise Linux Desktop: 7.0
• RedHat Enterprise Linux Server: 7.0
• RedHat Enterprise Linux Server Aus: 7.6
• RedHat Enterprise Linux Server Eus: 7.6
• RedHat Enterprise Linux Server Tus: 7.6
• RedHat Enterprise Linux Workstation: 7.0

How to fix

Upgrade to a fixed version: flatpak 1.0.7. Check the vendor advisory for mitigations.

References

• http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00088.html
• https://access.redhat.com/errata/RHSA-2019:0375
• https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=922059
• https://github.com/flatpak/flatpak/releases/tag/1.0.7
• https://github.com/flatpak/flatpak/releases/tag/1.2.3
• http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00088.html
• https://access.redhat.com/errata/RHSA-2019:0375
• https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=922059
• https://github.com/flatpak/flatpak/releases/tag/1.0.7
• https://github.com/flatpak/flatpak/releases/tag/1.2.3

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